<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        {{showMethods() +'|'+ box}}
        {{showMethods() +'|'+ box}}
        {{showMethods() +'|'+ box}}
        {{showMethods() +'|'+ box}}

    </div>
    <script src="./js/vue.js"></script>
    <script>
        new Vue({
            el: "#app",
            data: {
                value: 'panpanpan'
            },
            methods: {
                showMethods() {
                    console.log('执行了methods')
                    return this.value[0].toUpperCase() + this.value.substr(1)
                }
            },
            computed: {
                box() {
                    console.log('执行computed');
                    return this.value[0].toUpperCase() + this.value.substr(1)
                }
            }
        })
    </script>
</body>

</html>